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Finding the Fourth Proportional to 373,265.20, 559,897.80 and 306,780.40

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Solution

The fourth proportional to 373,265.20, 559,897.80 and 306,780.40 is: 460,170.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,265.20 : 559,897.80 = 306,780.40 : x
  2. Step 2: Convert to fraction form
    373,265.20/559,897.80 = 306,780.40/x
  3. Step 3: Cross multiply
    373,265.20x = 559,897.80 × 306,780.40
  4. Step 4: Simplify right side
    373,265.20x = 171,765,671,043.12
  5. Step 5: Solve for x
    x = 171,765,671,043.12/373,265.20
  6. Step 6: Final answer
    x = 460,170.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.